Thanks for all the replies, I now have something to go by.
I use it as a spare for now but want to get it fixed before getting it back on the road since it does burn more fuel with the fan running.
I have a 2008 kw t660 c15, my a/c unit runs great (cold), new a/c compressor, new fan-clutch, but once a/c is on though my engine fan is...